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Dessert

Biscuit-Punch

A sweet, rum-flavored biscuit made with powdered sugar, cornstarch, flour, butter, eggs, and citrus zest.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Biscuit-Punch

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat your oven to 350°F (175°C).

Make the batter

  1. In a bowl, mix the powdered sugar, cornstarch, and flour.

  2. Add the melted butter and whole eggs, mixing until smooth.

  3. Fold in the egg yolk, beaten egg whites, rum, lemon zest, orange zest, and salt.

Bake

  1. Pour the batter into molds or shape by hand if necessary.

  2. Bake until golden and firm, about 20-25 minutes.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Lemon + orangetop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Rum + orangetop 12% of all pairs
    Smell alikemoderate
    Cooked together801 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Butter + rumtop 13% of all pairs
    Smell alikemoderate
    Cooked together1,007 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  5. Sugar + rumtop 14% of all pairs
    Smell alikelow
    Cooked together2,908 recipes

    Shared aroma: beta-damascenone (apple, rose).

Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Egg whites
Whipped whites add lift and a light, airy structure to the batter.
Whole eggs
Eggs bind the batter and set into a firm crumb as they bake.
Melted butter
Butter adds richness and tenderness and helps the biscuit brown.
All-purpose flour
Flour provides the main structure that holds the biscuit together.
Cornstarch
Cornstarch gives the biscuit a tender, delicate texture.
Rum
Rum adds aroma and flavour to the biscuit.

The step that matters

Fold in the beaten egg whites. Egg whites hold air that gives lift and lightness. Folding gently, rather than stirring, keeps that air in the batter so the biscuit does not turn dense.

Swap the orange

How well each one fits the dish's main ingredients (sugar, flour, butter, egg, rum, lemon):

  1. Vanillafits better
  2. Raisinfits better
  3. Figfits about as well
  4. Orangethe original

Fit is the average pairing score against sugar, flour, butter, egg, rum, lemon. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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